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【判断题】
起模斜度和结构斜度目的都是为了便于铸件造型中的起模,并且均位于平行于起模方向的零件表面。但二者的区别在于起模斜度设置在零件的加工表面,而结构斜度设计在零件非加工表面。A.
正确
B.
错误
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【简答题】The Blacks are English . Now they are in Beijing . This is their first visit to China. They are going to stay in China for three weeks . They want to learn some Chinese ,too. He likes driving in Beiji...
【简答题】完形填空。 Bill: Great! Tomorrow is the first day of our vacation. Jimmy: That's right! What are you doing for the vacation? Bill: I'm 1____ to Tibet in China. I have a lot of Chinese friends there. I am g...
【简答题】Reading Comprehension Passage 1 Read the passage and decide whether the statements are "T" (true) or "F" (false). In present-day China, we can find two types of fast food: western and Chinese. However...
【单选题】钢筋宜采用无延伸功能的机械设备进行调直，也可采用冷拉方法调直。当采用冷拉方法调直时，HPB235、HPB300光圆钢筋的冷拉率不宜大于（）
A.
1%
B.
2%
C.
3%
D.
4%
【简答题】The relationship between sentences may be signaled with a sentence connector. Where it is not, the relationship is implicit and you need to work out the connection. What is the relationship between th...
【单选题】The computer is a useful machine. It is the most important invention in many years. T he oldest kind of computer is the abacus( 算盘 ), used in China centuries ago, but the first large, modern computer ...
A.
helpful
B.
strange
C.
large
D.
dangerous
【简答题】钢筋宜采用无延伸功能的机械设备进行调直，也可采用冷拉调直。当采用冷拉调直时，HPB300 光圆钢筋的冷拉率不宜大于（）%。
【简答题】Like schools in China, American schools begin in September after a long summer vacation. The first term is from September to January and the second is from February to June. Usually American children ...
【判断题】The free trade agreement signed between Switzerland and China is the first FTA between China and a developed nation . T his is ( ).
A.
正确
B.
错误
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